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anonymous
 one year ago
I'm pretty sure it would be a because it's a negative number but can someone confirm for a medal?
Which of the following is irrational?
9 over 5
Square root of 5
7 over 3
Square root of 9
anonymous
 one year ago
I'm pretty sure it would be a because it's a negative number but can someone confirm for a medal? Which of the following is irrational? 9 over 5 Square root of 5 7 over 3 Square root of 9

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you. But since all the other ones are positive wouldn't the irrational number be the fraction negative 9 over 5

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1rational means you can write it as a fraction of two whole numbers rational numbers can be negative eg: 2/3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ohhhh so the square root of 9 would be wrong

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1that is equivalent to 3 which is the same as 3/1 sqrt(9) is rational since 3 is rational

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0But the square root of 5 don't have any whole numbers it would be like 2.5 so wouldn't that one be irrational?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1sqrt(5) is irrational. there is no way to write it as a fraction of whole numbers

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1we can get approximations, but never the exact thing

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1you're welcome
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